Computer



FIG. 1 is a perspective view of the computer;

FIG. 2 is a front view;

FIG. 3 is a back view;

FIG. 4 is a left side view;

FIG. 5 is a right side view; and,

FIG. 6 is a top view.

The undisclosed bottom view is not a part of the claimed design.

The ornamental design for a computer, as shown and described.